Eun Joo Kim

doi:10.4040/jkan.2013.43.4.568

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Original Article
Accessing Factor Structure and Construct Validity of the Successful Aging Inventory: Eun Joo Kim; Journal of Korean Academy of Nursing 2013;43(4):568-578.
DOI: https://doi.org/10.4040/jkan.2013.43.4.568
Published online: August 30, 2013

Department of Nursing, Daejeon University, Daejeon, Korea.

Address reprint requests to: Kim, Eun Joo. Department of Nursing, Daejeon University, 62 Daehak-ro, Dong-gu, Daejeon 300-716, Korea. Tel: +82-42-280-2656, Fax: +82-42-280-2785, ejkim@dju.kr

• Received: March 12, 2013 • Accepted: July 10, 2013

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Abstract
REFERENCES

Abstract

Purpose
The purpose of this study was to evaluate the reliability and validity of the Korean version of the Successful Aging Inventory (SAI-K) to determine its suitability for use with older Korean adults.
Methods
Exploratory and confirmatory factor analyses were utilized to assess the factor structure and the construct validity of the SAI-K. First- and second-order Confirmatory Factor Analysis (CFA) were conducted to identify the most adequate model. Cronbach's alpha was used to test the reliability.
Results
Using a second-order CFA, a four-factor structure was validated (χ²=122.82, p<.001, GFI=.92, AGFI=.88, SRMR=.06 RMSEA=.07, 90% CI=.05-.09, CFI=.93). The four-factor SAI-K showed reliable internal consistency with a Cronbach's alpha for the total scale of .86.
Conclusion
The four-factor, 13-item SAI-K showed satisfactory reliability and validity and, thus, has the potential to be an appropriate instrument for measuring successful aging in older Korean adults.
Keywords: Aging; Reliability and validity; Factor analysis

REFERENCES

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Figure 1

Second-order confirmatory factor analysis for the SAI-K.

Table 1

General Characteristics of Participants ( N =200)

^*Missing responses excluded.

Table 2

SAI-K Factor Loadings from EFA and Theoretical Dimensions Represented

SAI-K=Korean version of successful aging inventory; EFA=Exploratory factor analysis.

Table 3

Model Fitness Test Results

CFA=Confirmatory factor analysis; CMIN/DF=Chi-square minimum/degree of freedom; GFI=Goodness of fit index; AGFI=Adjusted goodness-of-fit index; RMR=Root mean square residual; RMSEA=Root mean square error of approximation; CI=Confidence interval; NFI=Normed fit index; CFI= Comparative fit index.

Table 4

Reliability Coefficients for SAI-K

SAI-K=Korean version of successful aging inventory; Ls=Life satisfaction; Cr=Creativity; Co=Coping; Tr=Transcendence.

Figure & Data

REFERENCES

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Accessing Factor Structure and Construct Validity of the Successful Aging Inventory

J Korean Acad Nurs. 2013;43(4):568-578. Published online August 30, 2013

DOI: https://doi.org/10.4040/jkan.2013.43.4.568

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Figure

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Accessing Factor Structure and Construct Validity of the Successful Aging Inventory

Figure 1 Second-order confirmatory factor analysis for the SAI-K.

Figure 1

Accessing Factor Structure and Construct Validity of the Successful Aging Inventory

Table 1

General Characteristics of Participants ( N =200)

^*Missing responses excluded.

Table 2

SAI-K Factor Loadings from EFA and Theoretical Dimensions Represented

SAI-K=Korean version of successful aging inventory; EFA=Exploratory factor analysis.

Table 3

Model Fitness Test Results

Table 4

Reliability Coefficients for SAI-K

SAI-K=Korean version of successful aging inventory; Ls=Life satisfaction; Cr=Creativity; Co=Coping; Tr=Transcendence.

Table 1 General Characteristics of Participants ( N =200)

^*Missing responses excluded.

Table 2 SAI-K Factor Loadings from EFA and Theoretical Dimensions Represented

SAI-K=Korean version of successful aging inventory; EFA=Exploratory factor analysis.

Table 3 Model Fitness Test Results

Table 4 Reliability Coefficients for SAI-K

SAI-K=Korean version of successful aging inventory; Ls=Life satisfaction; Cr=Creativity; Co=Coping; Tr=Transcendence.